
October 2013 – Ed.1.0
EQUITEL E400 Family – Control and communications protocol
Page 1
Chapter 1. Introduction
1.1 General system description
The EQUITEL modules E401 and E451 have been conceived to be used in telephony, intercom and audio
distribution systems over an Ethernet/IP network, using VoIP technology standards but adapted to the
particular needs of security and surveillance systems.
The topology of a possible intercom network based on those modules is depicted in the scheme below:
Figure 1. IP intercom scheme with E401 and E451 modules
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